#include "sfc_debug.h"
#include "sfc_log.h"
#include "sfc_kvargs.h"
+#include "sfc_ev.h"
+#include "sfc_rx.h"
+#include "sfc_tx.h"
static void
sfc_log_init(sa, "entry");
dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
+ dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
+
+ dev_info->max_rx_queues = sa->rxq_max;
+ dev_info->max_tx_queues = sa->txq_max;
+
+ /* By default packets are dropped if no descriptors are available */
+ dev_info->default_rxconf.rx_drop_en = 1;
+
+ dev_info->tx_offload_capa =
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM;
+
+ dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL |
+ ETH_TXQ_FLAGS_NOXSUMSCTP;
+
+ dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
+ dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
+ /* The RXQ hardware requires that the descriptor count is a power
+ * of 2, but rx_desc_lim cannot properly describe that constraint.
+ */
+ dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
+
+ dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
+ dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
+ /*
+ * The TXQ hardware requires that the descriptor count is a power
+ * of 2, but tx_desc_lim cannot properly describe that constraint
+ */
+ dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
+}
+
+static int
+sfc_dev_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_dev_data *dev_data = dev->data;
+ struct sfc_adapter *sa = dev_data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
+ dev_data->nb_rx_queues, dev_data->nb_tx_queues);
+
+ sfc_adapter_lock(sa);
+ switch (sa->state) {
+ case SFC_ADAPTER_CONFIGURED:
+ sfc_close(sa);
+ SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
+ /* FALLTHROUGH */
+ case SFC_ADAPTER_INITIALIZED:
+ rc = sfc_configure(sa);
+ break;
+ default:
+ sfc_err(sa, "unexpected adapter state %u to configure",
+ sa->state);
+ rc = EINVAL;
+ break;
+ }
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done %d", rc);
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+
+static int
+sfc_dev_start(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ rc = sfc_start(sa);
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done %d", rc);
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+
+static int
+sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct rte_eth_link *dev_link = &dev->data->dev_link;
+ struct rte_eth_link old_link;
+ struct rte_eth_link current_link;
+
+ sfc_log_init(sa, "entry");
+
+ if (sa->state != SFC_ADAPTER_STARTED)
+ return 0;
+
+retry:
+ EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
+ *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
+
+ if (wait_to_complete) {
+ efx_link_mode_t link_mode;
+
+ efx_port_poll(sa->nic, &link_mode);
+ sfc_port_link_mode_to_info(link_mode, ¤t_link);
+
+ if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
+ *(uint64_t *)&old_link,
+ *(uint64_t *)¤t_link))
+ goto retry;
+ } else {
+ sfc_ev_mgmt_qpoll(sa);
+ *(int64_t *)¤t_link =
+ rte_atomic64_read((rte_atomic64_t *)dev_link);
+ }
+
+ if (old_link.link_status != current_link.link_status)
+ sfc_info(sa, "Link status is %s",
+ current_link.link_status ? "UP" : "DOWN");
+
+ return old_link.link_status == current_link.link_status ? 0 : -1;
+}
+
+static void
+sfc_dev_stop(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ sfc_stop(sa);
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done");
+}
+
+static void
+sfc_dev_close(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ switch (sa->state) {
+ case SFC_ADAPTER_STARTED:
+ sfc_stop(sa);
+ SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
+ /* FALLTHROUGH */
+ case SFC_ADAPTER_CONFIGURED:
+ sfc_close(sa);
+ SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
+ /* FALLTHROUGH */
+ case SFC_ADAPTER_INITIALIZED:
+ break;
+ default:
+ sfc_err(sa, "unexpected adapter state %u on close", sa->state);
+ break;
+ }
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done");
+}
+
+static int
+sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+ uint16_t nb_rx_desc, unsigned int socket_id,
+ const struct rte_eth_rxconf *rx_conf,
+ struct rte_mempool *mb_pool)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
+ rx_queue_id, nb_rx_desc, socket_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
+ rx_conf, mb_pool);
+ if (rc != 0)
+ goto fail_rx_qinit;
+
+ dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+
+fail_rx_qinit:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static void
+sfc_rx_queue_release(void *queue)
+{
+ struct sfc_rxq *rxq = queue;
+ struct sfc_adapter *sa;
+ unsigned int sw_index;
+
+ if (rxq == NULL)
+ return;
+
+ sa = rxq->evq->sa;
+ sfc_adapter_lock(sa);
+
+ sw_index = sfc_rxq_sw_index(rxq);
+
+ sfc_log_init(sa, "RxQ=%u", sw_index);
+
+ sa->eth_dev->data->rx_queues[sw_index] = NULL;
+
+ sfc_rx_qfini(sa, sw_index);
+
+ sfc_adapter_unlock(sa);
+}
+
+static int
+sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+ uint16_t nb_tx_desc, unsigned int socket_id,
+ const struct rte_eth_txconf *tx_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
+ tx_queue_id, nb_tx_desc, socket_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
+ if (rc != 0)
+ goto fail_tx_qinit;
+
+ dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq;
+
+ sfc_adapter_unlock(sa);
+ return 0;
+
+fail_tx_qinit:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static void
+sfc_tx_queue_release(void *queue)
+{
+ struct sfc_txq *txq = queue;
+ unsigned int sw_index;
+ struct sfc_adapter *sa;
+
+ if (txq == NULL)
+ return;
+
+ sw_index = sfc_txq_sw_index(txq);
+
+ SFC_ASSERT(txq->evq != NULL);
+ sa = txq->evq->sa;
+
+ sfc_log_init(sa, "TxQ = %u", sw_index);
+
+ sfc_adapter_lock(sa);
+
+ SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
+ sa->eth_dev->data->tx_queues[sw_index] = NULL;
+
+ sfc_tx_qfini(sa, sw_index);
+
+ sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ uint64_t *mac_stats;
+
+ rte_spinlock_lock(&port->mac_stats_lock);
+
+ if (sfc_port_update_mac_stats(sa) != 0)
+ goto unlock;
+
+ mac_stats = port->mac_stats_buf;
+
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
+ EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
+ stats->ipackets =
+ mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
+ stats->opackets =
+ mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
+ stats->ibytes =
+ mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
+ stats->obytes =
+ mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
+ stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
+ stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
+ stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
+ } else {
+ stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
+ stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
+ stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
+ stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
+ /*
+ * Take into account stats which are whenever supported
+ * on EF10. If some stat is not supported by current
+ * firmware variant or HW revision, it is guaranteed
+ * to be zero in mac_stats.
+ */
+ stats->imissed =
+ mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
+ mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
+ mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
+ mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
+ mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
+ mac_stats[EFX_MAC_PM_TRUNC_QBB] +
+ mac_stats[EFX_MAC_PM_DISCARD_QBB] +
+ mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
+ mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
+ mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
+ stats->ierrors =
+ mac_stats[EFX_MAC_RX_FCS_ERRORS] +
+ mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
+ mac_stats[EFX_MAC_RX_JABBER_PKTS];
+ /* no oerrors counters supported on EF10 */
+ }
+
+unlock:
+ rte_spinlock_unlock(&port->mac_stats_lock);
+}
+
+static int
+sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
+ unsigned int xstats_count)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ uint64_t *mac_stats;
+ int rc;
+ unsigned int i;
+ int nstats = 0;
+
+ rte_spinlock_lock(&port->mac_stats_lock);
+
+ rc = sfc_port_update_mac_stats(sa);
+ if (rc != 0) {
+ SFC_ASSERT(rc > 0);
+ nstats = -rc;
+ goto unlock;
+ }
+
+ mac_stats = port->mac_stats_buf;
+
+ for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+ if (xstats != NULL && nstats < (int)xstats_count) {
+ xstats[nstats].id = nstats;
+ xstats[nstats].value = mac_stats[i];
+ }
+ nstats++;
+ }
+ }
+
+unlock:
+ rte_spinlock_unlock(&port->mac_stats_lock);
+
+ return nstats;
+}
+
+static int
+sfc_xstats_get_names(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int xstats_count)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ unsigned int i;
+ unsigned int nstats = 0;
+
+ for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+ if (xstats_names != NULL && nstats < xstats_count)
+ strncpy(xstats_names[nstats].name,
+ efx_mac_stat_name(sa->nic, i),
+ sizeof(xstats_names[0].name));
+ nstats++;
+ }
+ }
+
+ return nstats;
+}
+
+static int
+sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int wanted_fc, link_fc;
+
+ memset(fc_conf, 0, sizeof(*fc_conf));
+
+ sfc_adapter_lock(sa);
+
+ if (sa->state == SFC_ADAPTER_STARTED)
+ efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
+ else
+ link_fc = sa->port.flow_ctrl;
+
+ switch (link_fc) {
+ case 0:
+ fc_conf->mode = RTE_FC_NONE;
+ break;
+ case EFX_FCNTL_RESPOND:
+ fc_conf->mode = RTE_FC_RX_PAUSE;
+ break;
+ case EFX_FCNTL_GENERATE:
+ fc_conf->mode = RTE_FC_TX_PAUSE;
+ break;
+ case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
+ fc_conf->mode = RTE_FC_FULL;
+ break;
+ default:
+ sfc_err(sa, "%s: unexpected flow control value %#x",
+ __func__, link_fc);
+ }
+
+ fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+}
+
+static int
+sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ unsigned int fcntl;
+ int rc;
+
+ if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
+ fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
+ fc_conf->mac_ctrl_frame_fwd != 0) {
+ sfc_err(sa, "unsupported flow control settings specified");
+ rc = EINVAL;
+ goto fail_inval;
+ }
+
+ switch (fc_conf->mode) {
+ case RTE_FC_NONE:
+ fcntl = 0;
+ break;
+ case RTE_FC_RX_PAUSE:
+ fcntl = EFX_FCNTL_RESPOND;
+ break;
+ case RTE_FC_TX_PAUSE:
+ fcntl = EFX_FCNTL_GENERATE;
+ break;
+ case RTE_FC_FULL:
+ fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
+ break;
+ default:
+ rc = EINVAL;
+ goto fail_inval;
+ }
+
+ sfc_adapter_lock(sa);
+
+ if (sa->state == SFC_ADAPTER_STARTED) {
+ rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
+ if (rc != 0)
+ goto fail_mac_fcntl_set;
+ }
+
+ port->flow_ctrl = fcntl;
+ port->flow_ctrl_autoneg = fc_conf->autoneg;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+
+fail_mac_fcntl_set:
+ sfc_adapter_unlock(sa);
+fail_inval:
+ SFC_ASSERT(rc > 0);
+ return -rc;
}
static const struct eth_dev_ops sfc_eth_dev_ops = {
+ .dev_configure = sfc_dev_configure,
+ .dev_start = sfc_dev_start,
+ .dev_stop = sfc_dev_stop,
+ .dev_close = sfc_dev_close,
+ .link_update = sfc_dev_link_update,
+ .stats_get = sfc_stats_get,
+ .xstats_get = sfc_xstats_get,
+ .xstats_get_names = sfc_xstats_get_names,
.dev_infos_get = sfc_dev_infos_get,
+ .rx_queue_setup = sfc_rx_queue_setup,
+ .rx_queue_release = sfc_rx_queue_release,
+ .tx_queue_setup = sfc_tx_queue_setup,
+ .tx_queue_release = sfc_tx_queue_release,
+ .flow_ctrl_get = sfc_flow_ctrl_get,
+ .flow_ctrl_set = sfc_flow_ctrl_set,
};
static int
ether_addr_copy(from, &dev->data->mac_addrs[0]);
dev->dev_ops = &sfc_eth_dev_ops;
+ dev->rx_pkt_burst = &sfc_recv_pkts;
+ dev->tx_pkt_burst = &sfc_xmit_pkts;
sfc_adapter_unlock(sa);
dev->data->mac_addrs = NULL;
dev->dev_ops = NULL;
+ dev->rx_pkt_burst = NULL;
+ dev->tx_pkt_burst = NULL;
sfc_kvargs_cleanup(sa);
RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.pci_drv);
RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
+ SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
+ SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);
git.droids-corp.org / dpdk.git / blobdiff